Home / 217,188,448.29-299,438,736.21-140,670,569.79

Finding the Fourth Proportional to 217,188,448.29, 299,438,736.21 and 140,670,569.79

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Solution

The fourth proportional to 217,188,448.29, 299,438,736.21 and 140,670,569.79 is: 193,943,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,188,448.29 : 299,438,736.21 = 140,670,569.79 : x
  2. Step 2: Convert to fraction form
    217,188,448.29/299,438,736.21 = 140,670,569.79/x
  3. Step 3: Cross multiply
    217,188,448.29x = 299,438,736.21 × 140,670,569.79
  4. Step 4: Simplify right side
    217,188,448.29x = 42,122,217,639,858,200
  5. Step 5: Solve for x
    x = 42,122,217,639,858,200/217,188,448.29
  6. Step 6: Final answer
    x = 193,943,176.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.